#define NUM 10
int i[NUM];
main()
{
    int sum,n,total,k,flag,count=0;
    printf("Please enter required terms (<=10):");
    scanf("%d",&n);
    printf("              their sum:");
    scanf("%d",&total);
    sum=0;
    k=n;
    i[n]=1;
    printf("There are following possible series:\n");
    while (1)
    {
        if ( sum+i[k]<total )
          if(k<=1)
          
          {  i[1]=total-sum; flag=1; }
          else 
          {
            sum+=i[k--];
            i[k]=i[k+1];
            continue;
          }
        else if (sum+i[k]>total || k!=1)
             {sum -=i[++k];flag=0; }
        else flag=1;
        if (flag) 
        {
            printf(" [%d]:",++count);
            for (flag=1; flag<=n;++flag)
                printf ("%d",i[flag]);
            printf("\n");
        }
        if (++k > n )
           break;
        sum -=i[k];
        i[k]++;
            
        
          
    }

}